All of the above. Empathy shows maturity because you are able to do the first two things. Imagining someone else's situation and being able to sympathize with it even if you haven't been in the same situation is empathy.
The English Civil War led to the concept of a “divine right” to rule, which was developed in greater detail by Enlightenment thinkers.
The answer to this is Theory (not hypothesis as some may say)
Answer: Primary reinforcer
Explanation:
Primary reinforcer is the reinforcer that is used for fulfilling biological requirements or needs in the form of rewards. These reinforcers do not require pre-learning or potential .Example of primary reinforcer -food, water, shelter etc.
According to the question, treat is considered as primary reinforcer which is achieved by Fluffy because it satisfied his biological needs when he performed sitting activity as per Chris's command.